3-Gallon White Knock Out Rose is a continuous blooming upright deciduous shrub with abundant clusters of lightly fragrant pure white flowers that bloom from spring until the first frost. The deep almost black-green foliage has no fall color. Best grown in full sun and rich, moist, slightly acidic well-drained soils. Highly resistant to black spot and drought tolerant!
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Type: |
Shrub |
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Height: |
3' - 3.5' |
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Spread: |
3’ - 3.5' |
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Spacing: |
3' |
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USDA Hardiness Zone: |
4 - 11 |
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Culture: |
Full Sun |
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Bloom Color: |
White |
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Season of Interest: |
Spring, Summer, Fall |
MAINTENANCE NEEDS: Medium Maintenance. Roses are susceptible to powdery mildew, black spot, rust, and rose rosette and require regular fungicide in humid areas that experience a lot of rainfall. Pest issues include aphids, borers, scale, mites thrips, midges, and leafhoppers.
LANDSCAPE USES: Accents or Group Plantings, Borders, Naturalized Areas, Wildlife Garden, Foundation Plantings, and Containers.
COMPANION PLANTS: Phlox, Holly, Tickseed
IMAGE: T.Kiya from Japan, Rose, White Knock out. バラ, ホワイト ノックアウト, (24051792172), CC BY-SA 2.0
*As plants have ranges in appearance they may not appear as the images shown.